<% 
function UTF2GB(UTFStr) 
	if (isnull(UTFStr) or isEmpty(UTFStr) or UTFStr = "") then
		UTF2GB = ""
	else
		for Dig=1 to len(UTFStr) 
			if mid(UTFStr,Dig,1)="%" then 
				if len(UTFStr) >= Dig+8 then 
					GBStr=GBStr & ConvChinese(mid(UTFStr,Dig,9)) 
					Dig=Dig+8 
				else 
					GBStr=GBStr & mid(UTFStr,Dig,1) 
				end if 
			else 
				GBStr=GBStr & mid(UTFStr,Dig,1) 
			end if 
		next 
		UTF2GB=GBStr 
	end if
end function 

function ConvChinese(x) 
A=split(mid(x,2),"%") 
i=0 
j=0 

for i=0 to ubound(A) 
A(i)=c16to2(A(i)) 
next 

for i=0 to ubound(A)-1 
DigS=instr(A(i),"0") 
Unicode="" 
for j=1 to DigS-1 
if j=1 then 
A(i)=right(A(i),len(A(i))-DigS) 
Unicode=Unicode & A(i) 
else 
i=i+1 
A(i)=right(A(i),len(A(i))-2) 
Unicode=Unicode & A(i) 
end if 
next 

if len(c2to16(Unicode))=4 then 
ConvChinese=ConvChinese & chrw(int("&H" & c2to16(Unicode))) 
else 
ConvChinese=ConvChinese & chr(int("&H" & c2to16(Unicode))) 
end if 
next 
end function 

function c2to16(x) 
i=1 
for i=1 to len(x) step 4 
c2to16=c2to16 & hex(c2to10(mid(x,i,4))) 
next 
end function 

function c2to10(x) 
c2to10=0 
if x="0" then exit function 
i=0 
for i= 0 to len(x) -1 
if mid(x,len(x)-i,1)="1" then c2to10=c2to10+2^(i) 
next 
end function 

function c16to2(x) 
i=0 
for i=1 to len(trim(x)) 
tempstr= c10to2(cint(int("&h" & mid(x,i,1)))) 
do while len(tempstr)<4 
tempstr="0" & tempstr 
loop 
c16to2=c16to2 & tempstr 
next 
end function 

function c10to2(x) 
mysign=sgn(x) 
x=abs(x) 
DigS=1 
do 
if x<2^DigS then 
exit do 
else 
DigS=DigS+1 
end if 
loop 
tempnum=x 

i=0 
for i=DigS to 1 step-1 
if tempnum>=2^(i-1) then 
tempnum=tempnum-2^(i-1) 
c10to2=c10to2 & "1" 
else 
c10to2=c10to2 & "0" 
end if 
next 
if mysign=-1 then c10to2="-" & c10to2 
end function 
%> 
